../ dmsp_15_ephemeris_20140107.txt 22-Jun-2023 00:23 106416 dmsp_16_ephemeris_20140107.txt 22-Jun-2023 00:23 106485 dmsp_17_ephemeris_20140107.txt 22-Jun-2023 00:23 106425 dmsp_18_ephemeris_20140107.txt 22-Jun-2023 00:23 106589